Use this information to write a more unique, interesting, and tailored cover letter that will make the recruiter for the company want to learn more about you. Your cover letter is your way of introducing yourself to a potential employer and elaborating on the experiences in your resume.You do not need to upload a cover letter with your resume, but if you wish to do so, combine it with your resume and upload them as one document. We're only going to use the top two anyway. Struggling to come up with qualifications? The cover letter is a brief summary of your talents, skills, and why you'd be the best candidate for the position. Avoid large blocks of text. These 2-3 main examples will populate the body of your letter. Step 5: Align With Your Resume. Your cover letter should: Be one page in length.